英语语法分析

A survey conducted earlier this year shows how this convergence on similar types of work has blurred class boundaries.

今年早些时候进行的一项调查显示，类似工作类型的趋同是如何模糊了阶级界限的。

The difference in regular red-wine consumption has been narrowing, but no similar convergence in heart-disease rates has occurred.

在定期饮用红酒方面的差异正在缩小，但在心脏病发病率方面没有出现类似的趋同现象。

The series converges uniformly on compact subsets of the interior of the annulus of convergence.

该级数一致收敛于收敛环内的紧子集上。